ref
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https://sites.google.com/a/rmprepusb.com/www/tutorials/winimage#TOC-3-Using-mtools-to-create-a-1.4MB-or-2.8MB-raw-floppy-image

step by step
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get freedos288_img_with_ghost here https://sites.google.com/a/rmprepusb.com/www/tutorials/winimage/FREEDOS_SATA_FOR_GHOST_288.zip?attredirects=0
# note: you can dl from Koofr:software_DB/freedos/288wGhost.iso/FREEDOS_SATA_FOR_GHOST_288.IMA

#in mintLinux
mount -o loop ./FREEDOS_SATA_FOR_GHOST_288.IMA /mnt
cp ghost9.exe /mnt
umount /mnt

dd if=./FREEDOS_SATA_FOR_GHOST_288.IMA of=/dev/sdb